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The Matrix starring Dave Whalen November 13, 2009

Posted by yvettefrancino in QA.

IMG_3279When I heard The Matrix was going to be presented at the local SQuAD meeting, I was all ready to watch the Keanu Reeves flick.  I figured it would be followed up with a discussion of how Agile Testing methods might have been used to  better test the sentient machines before putting them into production.

But, it turned out The Matrix was a presentation about prioritization of defects.  While not a Sci-Fi movie, Dave Whalen provided plenty of entertainment with his Jimmy Buffet style and humorous antics.  It’s not easy to make QA funny, but Dave managed to do it.  Here he is with his “Intentionally Left Blank” card that I blogged about the other day.

So, what is this “Matrix” method of prioritization?  Well, Dave went and stole my thunder by blogging about it himself today!  Actually, it’s really a good thing he did that, ’cause I had been a little confused — I was too enamored with his jokes I guess.

So here’s the scoop:

Severity = How important the bug it is to the customer.  1=Not very important 4=The Most Important.  (Dave likes even-numbered scales, so there are no “fence straddlers.”  If you were to have a 1-5 scale, people that didn’t want to make a decision could sit on the fence with a ‘3’ response.)

Ease of Resolution = How easy is it for developer to fix. 1=Easiest 4=Hardest

Now, “the Matrix” is a graph with the Y-axis = Severity and the X-axis=Ease of Resolution.  Split this into 4 quadrants.   The top left quadrant would be those bugs that are most severe (most important to customer) and easiest to fix.  Those are the Priority 1 bugs.

Priority = Combination of Severity and Ease of Fix

Priority 1 = Important to Customer, Easy to Fix

Priority 2 = Important to Customer, Hard to Fix

Priority 3 = Not Important to Customer, Easy to Fix

Priority 4 = Not Important to Customer, Hard to Fix

There ya go. Your handy, dandy guide to figuring out what to fix first.  So what are you doing reading blogs?  Get to work!

(Ah! It feels good to boss people around again!)



1. Dave - November 13, 2009

Wow – I’m losing my hair! :o)

2. Simon Morley - November 13, 2009

I like the idea of the matrix, Yvette, and may give it a try in an upcoming bug filter review.

The “not sitting on the fence” possibility is also interesting! Thanks!

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